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Activities/Turtle Art/Using Turtle Art Sensors (view source)

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http://www.jaycar.com.au/productView.asp?ID=RD3480

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For this cell, the calibration was Lux = 3*10^8*(R)^-1.5034

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[[File:Ldr calibration.jpg]]

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For the XO1 (700 ohms -14k ohms) the range is 140 Lux to 15000 Lux (brighter home artificial light to outdoor overcast).

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For the XO1.5 (2k ohms - open circuit) the range is 2 Lux to 4000 Lux (home artificial lighting to indoor daylight).

==Links==

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